collaborators

7 papers

cs.IR2026

An LLM-powered Agentic Recommendation System for Connected TV Content Discovery

Lei Shi, Di Wang, Harry Tran +22

Recommendation systems, from traditional multi-stage to recent unified generative architectures, face challenges in incorporating diverse contextual signals, such as trending topic…

cs.CL2026

PathRouter: Aligning Rewards with Retrieval Quality in Agentic Graph Retrieval-Augmented Generation

Bo Wang, Heyan Huang, Yaolin Li +6

Agentic GraphRAG trains language-model agents to iteratively retrieve and reason over graph-structured evidence, enabling more accurate and context-aware decision-making by efficie…

cs.CL2026

LLM-Driven Reasoning for Constraint-Aware Feature Selection in Industrial Systems

Yuhang Zhou, Zhuokai Zhao, Ke Li +14

Feature selection is a crucial step in large-scale industrial machine learning systems, directly affecting model accuracy, efficiency, and maintainability. Traditional feature sele…

cs.LG2026

EBPO: Empirical Bayes Shrinkage for Stabilizing Group-Relative Policy Optimization

Kevin Han, Yuhang Zhou, Mingze Gao +6

Reinforcement Learning with Verifiable Rewards (RLVR) has proven effective for enhancing the reasoning capabilities of Large Language Models (LLMs). However, dominant approaches li…

cs.IR2026

RecoWorld: Building Simulated Environments for Agentic Recommender Systems

Fei Liu, Xinyu Lin, Hanchao Yu +12

We present RecoWorld, a blueprint for building simulated environments tailored to agentic recommender systems. Such environments give agents a proper training space where they can…

cs.CL2025

Mixture-of-Minds: Multi-Agent Reinforcement Learning for Table Understanding

Yuhang Zhou, Mingrui Zhang, Ke Li +12

Understanding and reasoning over tables is a critical capability for many real-world applications. Large language models (LLMs) have shown promise on this task, but current approac…